The most favourable conditions for limestone formation comprise a warm, clear, shallow sea.
Geography Basic Facts (1983)
Despite the favourable conditions, no confirmed trace of the plane was found.
Times, Sunday Times (2014)
While not wishing for a night-time confrontation, there was good reason to hope for an encounter under more favourable conditions the following day.
THE LAST OF THE GENTLEMEN ADVENTURERS: Coming of Age in the Arctic (2004)